Aperson invested $6300 for 1 year part at 8% part at 10% and the remainder at 15%. the total annual income from these investments was $766. the amount of money invested at 15% was $100 more than the amounts invested at 8% and 10% combined. find the amount invested at each rate.

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?